Make the server restart on plugin install

2 files changed, 71 insertions, 2 deletions

diff --git a/src/node/hooks/express.js b/src/node/hooks/express.js
new file mode 100644
index 00000000..c7897e77
--- /dev/null
+++ b/src/node/hooks/express.js
@@ -0,0 +1,62 @@
+var hooks = require("ep_etherpad-lite/static/js/pluginfw/hooks");
+var express = require('express');
+var settings = require('../utils/Settings');
+var fs = require('fs');
+var path = require('path');
+var  _ = require("underscore");
+
+var server;
+var serverName;
+
+exports.createServer = function () {
+  //try to get the git version
+  var version = "";
+  try
+  {
+    var rootPath = path.resolve(npm.dir, '..');
+    var ref = fs.readFileSync(rootPath + "/.git/HEAD", "utf-8");
+    var refPath = rootPath + "/.git/" + ref.substring(5, ref.indexOf("\n"));
+    version = fs.readFileSync(refPath, "utf-8");
+    version = version.substring(0, 7);
+    console.log("Your Etherpad Lite git version is " + version);
+  }
+  catch(e) 
+  {
+    console.warn("Can't get git version for server header\n" + e.message)
+  }
+  console.log("Report bugs at https://github.com/Pita/etherpad-lite/issues")
+
+  serverName = "Etherpad-Lite " + version + " (http://j.mp/ep-lite)";
+
+  exports.restartServer();
+
+  console.log("You can access your Etherpad-Lite instance at http://" + settings.ip + ":" + settings.port + "/");
+  if(!_.isEmpty(settings.users)){
+    console.log("The plugin admin page is at http://" + settings.ip + ":" + settings.port + "/admin/plugins");
+  }
+  else{
+    console.warn("Admin username and password not set in settings.json.  To access admin please uncomment and edit 'users' in settings.json");
+  }
+
+}
+
+exports.restartServer = function () {
+  if (server) {
+    console.log("Restarting express server");
+    server.close();
+  }
+
+  server = express.createServer();
+
+  server.use(function (req, res, next) {
+    res.header("Server", serverName);
+    next();
+  });
+
+  server.configure(function() {
+    hooks.callAll("expressConfigure", {"app": server});
+  });
+  hooks.callAll("expressCreateServer", {"app": server});
+
+  server.listen(settings.port, settings.ip);
+}
\ No newline at end of file
diff --git a/src/node/hooks/express/webaccess.js b/src/node/hooks/express/webaccess.js
index 028d8ab1..ffced047 100644
--- a/src/node/hooks/express/webaccess.js
+++ b/src/node/hooks/express/webaccess.js
@@ -88,6 +88,8 @@ exports.basicAuth = function (req, res, next) {
   });
 }
 
+var secret = null;
+
 exports.expressConfigure = function (hook_name, args, cb) {
   // If the log level specified in the config file is WARN or ERROR the application server never starts listening to requests as reported in issue #158.
   // Not installing the log4js connect logger when the log level has a higher severity than INFO since it would not log at that level anyway.
@@ -100,10 +102,15 @@ exports.expressConfigure = function (hook_name, args, cb) {
    * name) to a javascript identifier compatible string. Makes code
    * handling it cleaner :) */
 
-  args.app.sessionStore = new express.session.MemoryStore();
+  if (!exports.sessionStore) {
+    exports.sessionStore = new express.session.MemoryStore();
+    secret = randomString(32);
+  }
+
+  args.app.sessionStore = exports.sessionStore;
   args.app.use(express.session({store: args.app.sessionStore,
                                 key: 'express_sid',
-                                secret: apikey = randomString(32)}));
+                                secret: secret}));
 
   args.app.use(exports.basicAuth);
 }